Registry included below
Specification Required and Expert Review
Tom Taylor
Event Code | Event Name | Reference |
---|---|---|
0 | DTMF digit "0" | [RFC4733] |
1 | DTMF digit "1" | [RFC4733] |
2 | DTMF digit "2" | [RFC4733] |
3 | DTMF digit "3" | [RFC4733] |
4 | DTMF digit "4" | [RFC4733] |
5 | DTMF digit "5" | [RFC4733] |
6 | DTMF digit "6" | [RFC4733] |
7 | DTMF digit "7" | [RFC4733] |
8 | DTMF digit "8" | [RFC4733] |
9 | DTMF digit "9" | [RFC4733] |
10 | DTMF digit "*" | [RFC4733] |
11 | DTMF digit "#" | [RFC4733] |
12 | DTMF digit "A" | [RFC4733] |
13 | DTMF digit "B" | [RFC4733] |
14 | DTMF digit "C" | [RFC4733] |
15 | DTMF digit "D" | [RFC4733] |
16 | Reserved | |
17-22 | Unassigned | |
23 | CRdSeg: second segment of V.8 bis CRd signal | [RFC4734] |
24 | CReSeg: second segment of V.8 bis CRe signal | [RFC4734] |
25 | MRdSeg: second segment of V.8 bis MRd signal | [RFC4734] |
26 | MReSeg: second segment of V.8 bis MRe signal | [RFC4734] |
27 | V32AC: A pattern of bits modulated at 4800 bits/s, emitted by a V.32/V.32bis answering terminal upon detection of the AA pattern. | [RFC4734] |
28 | V8bISeg: first segment of initiating V.8 bis signal | [RFC4734] |
29 | V8bRSeg: first segment of responding V.8 bis signal | [RFC4734] |
30 | V21L300: 300 bits/s low channel V.21 indication | [RFC4734] |
31 | V21H300: 300 bits/s high channel V.21 indication | [RFC4734] |
32 | ANS (V.25 Answer tone). Also known as CED (T.30 Called tone). | [RFC4734] |
33 | /ANS (V.25 Answer tone after phase shift). Also known as /CED (T.30 Called tone after phase shift) | [RFC4734] |
34 | ANSam (V.8 amplitude modified Answer tone) | [RFC4734] |
35 | /ANSam (V.8 amplitude modified Answer tone after phase shift) | [RFC4734] |
36 | CNG (T.30 Calling tone) | [RFC4734] |
37 | V.21 channel 1 (low channel), '0' bit | [RFC4734] |
38 | V.21 channel 1, '1' bit. Also used for ESiSeg (second segment of V.8 bis ESi signal). | [RFC4734] |
39 | V.21 channel 2, '0' bit | [RFC4734] |
40 | V.21 channel 2, '1' bit. Also used for ESrSeg (second segment of V.8 bis ESr signal). | [RFC4734] |
41-48 | Reserved | |
49 | CT (V.25 Calling Tone) | [RFC4734] |
50-51 | Unassigned | |
52 | ANS2225: 2225 Hz indication for text telephony | [RFC4734] |
53 | CI (V.8 Call Indicator signal preamble) | [RFC4734] |
54 | V.21 preamble flag (T.30) | [RFC4734] |
55 | V21L110: 110 bits/s V.21 indication for text telephony | [RFC4734] |
56 | B103L300: Bell 103 low channel indication for text telephony | [RFC4734] |
57 | V23Main: V.23 main channel indication for text telephony | [RFC4734] |
58 | V23Back: V.23 back channel indication for text telephony | [RFC4734] |
59 | Baud4545: 45.45 bits/s Baudot indication for text telephony | [RFC4734] |
60 | Baud50: 50 bits/s Baudot indication for text telephony | [RFC4734] |
61 | VBDGen: Tone patterns indicative of use of an unidentified modem type | [RFC4734] |
62 | XCIMark: A pattern of bits modulated in the V.23 main channel, emitted by a V.18 calling terminal. | [RFC4734] |
63 | V32AA: A pattern of bits modulated at 4800 bits/s, emitted by a V.32/V.23bis calling terminal. | [RFC4734] |
64-88 | Reserved | |
90-95 | Unassigned | |
96-112 | Reserved | |
113-114 | Unassigned | |
115 | North American SIT Segment 1 Low | [GR-674] |
116 | North American SIT Segment 1 High | [GR-674] |
117 | North American SIT Segment 2 Low | [GR-674] |
118 | North American SIT Segment 2 High | [GR-674] |
119 | North American SIT Segment 3 | [GR-674] |
120 | North American Coin Deposit | [GR-506] |
121 | Continuity check-tone | [RFC5244] |
122 | Continuity verify-tone | [RFC5244] |
123 | MF Code 11 (SS No. 5) or KP3P/ST3P (R1) | [RFC5244] |
" | North American Ringback | [GR-506] |
124 | MF KP (SS No. 5) or KP1 (R1) | [RFC5244] |
" | North American Coin Return | [GR-506] |
125 | MF KP2 (SS No. 5) or KP2P/ST2P (R1) | [RFC5244] |
126 | MF ST (SS No. 5 and R1) | [RFC5244] |
" | North American Coin Collect / Operator Released | [GR-506] |
127 | MF Code 12 (SS No. 5) or KP'/STP (R1) | [RFC5244] |
128 | SS No. 5 or R1 digit "0" | [RFC5244] |
" | North American Operator Attached | [GR-506] |
129 | SS No. 5 or R1 digit "1" | [RFC5244] |
130 | SS No. 5 or R1 digit "2" | [RFC5244] |
" | North American Coin Collect | [GR-506] |
131 | SS No. 5 or R1 digit "3" | [RFC5244] |
132 | SS No. 5 or R1 digit "4" | [RFC5244] |
133 | SS No. 5 or R1 digit "5" | [RFC5244] |
134 | SS No. 5 or R1 digit "6" | [RFC5244] |
135 | SS No. 5 or R1 digit "7" | [RFC5244] |
136 | SS No. 5 or R1 digit "8" | [RFC5244] |
" | North American Operator Released | [GR-506] |
137 | SS No. 5 or R1 digit "9" | [RFC5244] |
138-143 | Reserved | |
144 | ABCD signalling state '0000' | [RFC5244] |
145 | ABCD signalling state '0001' | [RFC5244] |
146 | ABCD signalling state '0010' | [RFC5244] |
147 | ABCD signalling state '0011' | [RFC5244] |
148 | ABCD signalling state '0100' | [RFC5244] |
149 | ABCD signalling state '0101' | [RFC5244] |
150 | ABCD signalling state '0110' | [RFC5244] |
151 | ABCD signalling state '0111' | [RFC5244] |
152 | ABCD signalling state '1000' | [RFC5244] |
153 | ABCD signalling state '1001' | [RFC5244] |
154 | ABCD signalling state '1010' | [RFC5244] |
155 | ABCD signalling state '1011' | [RFC5244] |
156 | ABCD signalling state '1100' | [RFC5244] |
157 | ABCD signalling state '1101' | [RFC5244] |
158 | ABCD signalling state '1110' | [RFC5244] |
159 | ABCD signalling state '1111' | [RFC5244] |
160-168 | Reserved | |
169 | Unassigned | |
170-173 | Reserved | |
174 | Metering pulse | [RFC5244] |
175 | Trunk unavailable | [RFC5244] |
176 | MFC forward signal 1 | [RFC5244] |
177 | MFC forward signal 2 | [RFC5244] |
178 | MFC forward signal 3 | [RFC5244] |
179 | MFC forward signal 4 | [RFC5244] |
180 | MFC forward signal 5 | [RFC5244] |
181 | MFC forward signal 6 | [RFC5244] |
182 | MFC forward signal 7 | [RFC5244] |
183 | MFC forward signal 8 | [RFC5244] |
184 | MFC forward signal 9 | [RFC5244] |
185 | MFC forward signal 10 | [RFC5244] |
186 | MFC forward signal 11 | [RFC5244] |
187 | MFC forward signal 12 | [RFC5244] |
188 | MFC forward signal 13 | [RFC5244] |
189 | MFC forward signal 14 | [RFC5244] |
190 | MFC forward signal 15 | [RFC5244] |
191 | MFC backward signal 1 | [RFC5244] |
192 | MFC backward signal 2 | [RFC5244] |
193 | MFC backward signal 3 | [RFC5244] |
194 | MFC backward signal 4 | [RFC5244] |
195 | MFC backward signal 5 | [RFC5244] |
196 | MFC backward signal 6 | [RFC5244] |
197 | MFC backward signal 7 | [RFC5244] |
198 | MFC backward signal 8 | [RFC5244] |
199 | MFC backward signal 9 | [RFC5244] |
200 | MFC backward signal 10 | [RFC5244] |
201 | MFC backward signal 11 | [RFC5244] |
202 | MFC backward signal 12 | [RFC5244] |
203 | MFC backward signal 13 | [RFC5244] |
204 | MFC backward signal 14 | [RFC5244] |
205 | MFC backward signal 15 | [RFC5244] |
206 | A bit signalling state '0' | [RFC5244] |
207 | A bit signalling state '1' | [RFC5244] |
208 | AB bit signalling state '00' | [RFC5244] |
209 | AB bit signalling state '01' | [RFC5244] |
210 | AB bit signalling state '10' | [RFC5244] |
211 | AB bit signalling state '11' | [RFC5244] |
212-255 | Unassigned |